Kramer Electronics VP-438 - Manual (Page 21)

18 VP-438 - RS-232 Communication Protocol
8 RS-232 Communication Protocol
The following is the COM port setting:
Baud Rate: 9600bps
Parity: None
Data Bits: 8 bits
Stop Bits: 1 bit
Set CTS Mode: Off
Set XON/XOFF: Off
The following table defines the symbol characters:
Symbol Meaning
 Space
[CR] Carriage Return, ASCII code 0x0D
[LF] Line Feed, ASCII code 0x0A
Set Command
Type in: YControl_TypeFunctionParam[CR]
When sending a command, a blank character may precede [CR] if desired.
Reply: ZControl_TypeFunctionParam[CR][LF]
Get Command:
Type in: YControl_TypeFunction[CR]
Reply: ZControl_TypeFunctionParam[CR][LF]
Example:
Example 1: set Brightness value to 32
Send: Y11632[CR]
Reply: Z11632[CR][LF]